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Изворен канал @pythonotes · Post #22 · 19 јан.

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Заметка начинающим, которые часто сталкиваются с подобной непоняткой. Ситуация следующая, есть список файлов: names = [ 'image.bmp', 'second.txt.bkp', 'data.db', '.config.cfg', 'file.ext.bkp' ] И мы хотим убрать у них окончание ".bkp". Не знаю зачем, пример довольно надуманный) Но суть он показывает, а это главное. Те, кто еще не очень знаком с библиотекой os.path или pathlib, вероятно решат обработать имена как строки. И тут вполне подойдет метод строки strip(). Что делает этот метод? Он отрезает указанные символы по обеим сторонам строки. Если ничего не указать, то убирает невидимые символы (пробелы, табуляции и переносы строк). В нашем случае будет выглядеть вот так: >>> name.strip('.bkp') То есть просим удалить строку '.bkp' по краям имени файла, если таковая есть. Можно применить аналогичный метод rstrip(), чтобы отрезать только справа, но для этого примера используем обычный. >>> for name in names: >>> print(name.strip('.bkp')) image.bm second.txt data.d config.cfg file.ext Хм, что-то не то с нашими именами! Что случилось??? Видим нежелательное переименование в именах, где и близко не было указанной строки '.bkp' А дело всё в том, что данный метод ищет не указанную строку, а указанные символы, и не важно в каком порядке. Для метода strip() строка '.bkp' это не паттерн для поискаа список символов. Потому он отрезал симовол 'p' от '.bmp' и удалил точку из файла '.config.cfg'. Как тогда правильно заменить именно паттерн? Для начинающего можно посоветовать метод строки replace(), который как раз использует для замены указанную строку целиком. В нашем примере заменим её на пустую строку. >>> for name in names: >>> print(name.replace('.bkp', '')) image.bmp second.txt data.db .config.cfg file.ext Уже лучше, но помните, это лишь пример про strip(). Для работы с именами файлов есть способы и более "правильные", дающие однозначно верный результат. Я взял файлы только в качестве примера. Даже replase() тут может сделать не то что ожидаем. Просто впредь будьте внимательны с этим strip(). #basic

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Journey to Fluency

@fluencyinenglish · Post #6321 · 10.08.2018 г., 17:20

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‍#song @fluencyinenglish ❇️What If I Was Nothing 🔹Song by All That Remains Just let it go, don’t want to haunt you anymore I can’t be sure I know just what we’re fight for I know that you’re scared and that you’re thinking I may go I’m not leaving, I’m not leaving @fluencyinenglish And if you’re thinking I might, might be lead astray Just remember this one question What if I was nothing, what if this is true? What if I was nothing, girl, nothing without you So what if I was angry, what did you think I’d do? I told you that I love you, girl, I’m nothing without you @fluencyinenglish I know it’s hard, it seems that we’ve worked at this so long Soft and foolish pride that tells us we’re not wrong I hear your voice, you tell me that you’ll never go And I believe it, I believe it And if you’re thinking I might, might be lead astray Just remember this one question @fluencyinenglish What if I was nothing, what if this is true? What if I was nothing, girl, nothing without you So what if I was angry, what did you think I’d do? I told you that I love you, girl, I’m nothing without you And we can keep this going on, we’ll make it work some way And every step, it makes us stronger every day And if you’re thinking I might, might be lead astray Just remember this one question @fluencyinenglish What if I was nothing, what if this is true? What if I was nothing, girl, nothing without you So what if I was angry, what did you think I’d do? I told you that I love you, girl, I’m nothing without you @fluencyinenglish What if I was nothing, what if this is true? What if I was nothing, girl, nothing without you So what if I was angry, what did you think I’d do? I told you that I love you, girl, I’m nothing without you @fluencyinenglish

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Journey to Fluency

@fluencyinenglish · Post #6309 · 05.08.2018 г., 18:30

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‍#song @fluencyinenglish A Showman's Life George Strait A showman's life is a smokey bar And the fevered chase of a tiny star It's a hotel room and a lonely wife From what I've seen of a showman's life Nobody told me about this part They told me all about the pretty girls And the wine and the money and the good times There's no mention of all the wear and tear On an old honky tonker's heart Well I might have known it But nobody told me about this part A boy will dream, as children do Of a Great White Way, until the dream comes true And a phony smile in a colored light Is all there is to a showman's life Nobody told me about this part They told me all about the pretty girls And the wine and the money and the good times There's no mention of all the wear and tear On an old honky tonker's heart Well I might have known it But nobody told me about this part And nobody told me about this part They told me all about the pretty girls And the wine and the money and the good times There's no mention of, all the wear and tear On an old honky tonker's heart Well I might have known it But nobody told me about this part Well I might have known it Nobody told me about this part Songwriters: Jesse Winchester @fluencyinenglish

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Journey to Fluency

@fluencyinenglish · Post #6305 · 04.08.2018 г., 18:45

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‍#song @fluencyinenglish @ieltsstrategies ✴️Better Than I Used to Be Genre: Country Artist: Tim McGraw I know how to hold a grudge I can send a bridge up in smoke And I can't count the people I've let down, the hearts I've broke You ain't gotta dig too deep If you wanna find some dirt on me But I'm learning who you've been Ain't who you've got to be It's gonna be an uphill climb Aw honey I won't lie @fluencyinenglish @ieltsstrategies I ain't no angel I still got a still few more dances with the devil I’m cleanin' up my act, little by little I’m getting there I can finally stand the man in the mirror I see I ain’t as good as I’m gonna get But I’m better than I used to be I’ve pinned a lot of demons to the ground I’ve got a few old habits left But there’s one or two I might need you to help me get Standin' in the rain so long has left me with a little rust But put some faith in me And someday you’ll see There’s a diamond under all this dust @fluencyinenglish @ieltsstrategies I ain't no angel I still got a still few more dances with the devil I’m cleanin' up my act, little by little I’m getting there I can finally stand the man in the mirror I see I ain’t as good as I’m gonna get But I’m better than I used to be I ain't no angel I still got a still few more dances with the devil But I’m cleanin' up my act, little by little I’m getting there I can finally stand the man in the mirror I see I ain’t as good as I’m gonna get But I’m better than I used to be Songwriters: Bryan Simpson / Ashley Gorley @fluencyinenglish @ieltsstrategies

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